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notron do you have a clean and updated schematic? If it is worth replicating I might draw a pcb for it once I test it on a breadboard.
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The scheme is very simple and easy to implement, the main thing in it is the generator which has a coiled additional coil which in resonance with the capacitor raises the voltage from 150 to 200 volts. The effect is manifested over 150 volts. The scheme has phenomenal effects. For example, sensitivity has been observed to increase significantly at night. The generator that I later used was according to scheme Fisher 1266x. It is practically the same but without capacitors that introduce an error. Because the signal from the object displaces the generator itself. Natural amplification is obtained as a regenerative receiver.
If I have time, I will apply a developed version of this scheme. Note that all of these metal detectors have limited capabilities under radio communications law. However, this metal detector emits an extremely powerful signal and is against the law.Comment
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I also join with kindly request to share your device, because of the increasing quriosity...Comment
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Eh guys, once upon a time 30 years ago I knew nothing, there was no internet. frequency beating schemes only from magazines. But by chance I came across information that there is a brick factory near me where a metal detector works on the same line made by Mr. Grozdan. Inductive balance. For the first pit I saw an inductive balance. What I saw I will never forget. The line stopped and all bricks with metal impurities were removed. A joke came out and grabbed the iron in the blood. Time passed, but only what I did remained and I see that after so long there is no analogue and the new masters have no idea what we are talking about and it is no longer possible to argue. 18 mm coin at 50 cm. You take it out into the ground without thinking. Only those who die with this device know this and after them the field is absolutely empty.
A nexus is similar to this device made in the most idiotic version. It's called bad fame. I repaired a real metal detector by the same author. It was stunning, with transformer demodulators, like a radio. But he was so sensitive that just fakes like Tesoro Garrett, There's no room for comparison. These are toys. There was a video somewhere of such a detector beating a minelab GP xxx, It was laughter. But a beautiful example of a beautiful past. Yes boys, this is a beautiful story that I saw and then made and became convinced that the man Mr. Grozdan is a genius.Comment
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Ivconic can you post the other schemes with the same name you have. thanksComment
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The generator working with 150-200v . !Comment
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Can you post here full and clear (readable) schematic? Thanks.Originally posted by notron View PostComment
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It’s 3 different variations of this circuit. With diode demodulation, with transformers, and fet transistors. I have to see on my archive.Comment
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But I think it's good to pay attention to the physics that work. In all circuits the difference is only in the demodulator. And the first circuit that is published at the top with the transformers I think there is a mistake.Comment
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Look guys, I know you've been doing this for a long time and you're very good at metal detectors. But I will try to make a video in which I will explain how this miracle works and what makes it really so sensitive. Then this small but terribly clever way to amplify weak signals and large current amplification you can apply to your constructions and you will be really severely surprised.Comment
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This scheme was created by Stanimir from Varna, Bulgaria and was copied in many places. Now someone is pretending to be greatComment
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Only empty jokes and no one can revive the scheme, because it is wrong, and the correct one does not upload who has.Comment
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This is a scheme of Sasho from Varna, he is also in the forum, but it is not about his schemesComment
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